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    <title>ExpressSession数据持久化 ｜ 鹊木笔记</title>
    
    
    
    <meta name="description" content="准备 确保本地已开启 MongoDB 服务 安装模块 需安装以下模块 npm i connect-mongo -S npm i express-session -S 使用案例 let session = require(&amp;#34;express-session&amp;#34;) let MongoStore = require(&amp;#34;connect-mongo&amp;#34;) module.exports = (app) =&amp;gt; { app.use(session({ secret: &amp;#34;NaNaNa&amp;#34;, resave: false, cookie: { maxAge: 8000 }, saveUninitialized: true, store: MongoStore.create({ mongoUrl: &amp;#34;mongodb://localhost:27017/session&amp;#34; }) })) } 注意 app 为 express 的实例 Cookie.maxAge 需要大于 6000" />
      
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                        <h2><a href='/posts/expresssession%E6%8C%81%E4%B9%85%E5%8C%96/'>ExpressSession数据持久化</a></h2>
                        <span class="date">2022.03.15</span>
                    </div>
                    <div class="post_content markdown"><h1 id="准备">准备</h1>
<blockquote>
<p>确保本地已开启 MongoDB 服务</p>
</blockquote>
<h1 id="安装模块">安装模块</h1>
<blockquote>
<p>需安装以下模块</p>
</blockquote>
<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-sh" data-lang="sh"><span class="line"><span class="cl">npm i connect-mongo -S
</span></span><span class="line"><span class="cl">npm i express-session -S
</span></span></code></pre></div><h1 id="使用案例">使用案例</h1>
<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-js" data-lang="js"><span class="line"><span class="cl"><span class="kd">let</span> <span class="nx">session</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s2">&#34;express-session&#34;</span><span class="p">)</span>
</span></span><span class="line"><span class="cl"><span class="kd">let</span> <span class="nx">MongoStore</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s2">&#34;connect-mongo&#34;</span><span class="p">)</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="nx">module</span><span class="p">.</span><span class="nx">exports</span> <span class="o">=</span> <span class="p">(</span><span class="nx">app</span><span class="p">)</span> <span class="p">=&gt;</span> <span class="p">{</span>
</span></span><span class="line"><span class="cl">   <span class="nx">app</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span><span class="nx">session</span><span class="p">({</span>
</span></span><span class="line"><span class="cl">      <span class="nx">secret</span><span class="o">:</span> <span class="s2">&#34;NaNaNa&#34;</span><span class="p">,</span>
</span></span><span class="line"><span class="cl">      <span class="nx">resave</span><span class="o">:</span> <span class="kc">false</span><span class="p">,</span>
</span></span><span class="line"><span class="cl">      <span class="nx">cookie</span><span class="o">:</span> <span class="p">{</span> <span class="nx">maxAge</span><span class="o">:</span> <span class="mi">8000</span> <span class="p">},</span>
</span></span><span class="line"><span class="cl">      <span class="nx">saveUninitialized</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span>
</span></span><span class="line"><span class="cl">      <span class="nx">store</span><span class="o">:</span> <span class="nx">MongoStore</span><span class="p">.</span><span class="nx">create</span><span class="p">({</span>
</span></span><span class="line"><span class="cl">         <span class="nx">mongoUrl</span><span class="o">:</span> <span class="s2">&#34;mongodb://localhost:27017/session&#34;</span>
</span></span><span class="line"><span class="cl">      <span class="p">})</span>
</span></span><span class="line"><span class="cl">   <span class="p">}))</span>
</span></span><span class="line"><span class="cl"><span class="p">}</span>
</span></span></code></pre></div><h1 id="注意">注意</h1>
<blockquote>
<p>app 为 express 的实例</p>
<p>Cookie.maxAge 需要大于 6000</p>
</blockquote>
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